VEVOR 3/4 HP Submersible Sewage Pump, 5880 GPH Larger-Flow, Cast Iron Submersible Sump Pump, Wear-proof Cast Iron Construction, with Tethered Float Switch, 10 FT Power Cord - Yahoo Shopping
Simer Tethered Float Switch
Wayne - WST33 - 1/3 HP 3,000 gph Thermoplastic Tethered Floa
Wayne CDT50 - 1/2 HP Cast Iron Submersible Sump Pump w/ Tether Float Switch
BENTISM Sewage Pump, 3/4 HP 5880 GPH 1050W, Submersible Cast Iron Ejector, with 2" Discharge and 10 ft Piggy-back Automatic Tether Float Switch, for Septic Tank, Basement, Residential Sewer Effluent - Walmart.com
Superior Pump 92250 1/4-HP Thermoplastic Submersible Sump Pump with Tethered Float Switch
Decko Sewage Pumps
drainage - How to determine if tethered sump pump float switch is triggering at the right height? - Home Improvement Stack Exchange